22414891 has 8 divisors (see below), whose sum is σ = 24499584. Its totient is φ = 20415360.

The previous prime is 22414879. The next prime is 22414957. The reversal of 22414891 is 19841422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22414891 - 2²³ = 14026283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (22414801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20740 + ... + 21793.

It is an arithmetic number, because the mean of its divisors is an integer number (3062448).

Almost surely, 2^22414891 is an apocalyptic number.

22414891 is a deficient number, since it is larger than the sum of its proper divisors (2084693).

22414891 is a wasteful number, since it uses less digits than its factorization.

22414891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42581.

The product of its digits is 4608, while the sum is 31.

The square root of 22414891 is about 4734.4367141192. The cubic root of 22414891 is about 281.9544005206.

Subtracting from 22414891 its sum of digits (31), we obtain a triangular number (22414860 = T₆₆₉₅).

The spelling of 22414891 in words is "twenty-two million, four hundred fourteen thousand, eight hundred ninety-one".